201455860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12329}}^1$

素因数の和:12400

約数の個数: 48

約数和(自身を含む): 455716800

約数和(自身を除く): 254260940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 12329, 16340, 24658, 49316, 61645, 123290, 234251, 246580, 468502, 530147, 937004, 1060294, 1171255, 2120588, 2342510, 2650735, 4685020, 5301470, 10072793, 10602940, 20145586, 40291172, 50363965, 100727930, 201455860]

約数ペア:

[(1, 201455860), (2, 100727930), (4, 50363965), (5, 40291172), (10, 20145586), (19, 10602940), (20, 10072793), (38, 5301470), (43, 4685020), (76, 2650735), (86, 2342510), (95, 2120588), (172, 1171255), (190, 1060294), (215, 937004), (380, 530147), (430, 468502), (817, 246580), (860, 234251), (1634, 123290), (3268, 61645), (4085, 49316), (8170, 24658), (12329, 16340)]